817 WGUS54 KTSA 180903 FFWTSA OKC041-181100- /O.EXT.KTSA.FF.W.0068.000000T0000Z-250718T1100Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED Flash Flood Warning National Weather Service Tulsa OK 403 AM CDT Fri Jul 18 2025 The National Weather Service in Tulsa has extended the * Flash Flood Warning for... Central Delaware County in northeastern Oklahoma... * Until 600 AM CDT. * At 403 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Estimates up to 3 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible in the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Jay... Colcord... Lake Eucha State Park... PRECAUTIONARY/PREPAREDNESS ACTIONS... Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding. In hilly terrain there are hundreds of low water crossings which are potentially dangerous in heavy rain. Do not attempt to cross flooded roads. Find an alternate route. && LAT...LON 3625 9483 3648 9494 3648 9472 3627 9467 FLASH FLOOD...RADAR INDICATED $$  197 WUUS53 KUNR 180924 SVRUNR SDC055-093-103-137-181030- /O.NEW.KUNR.SV.W.0220.250718T0924Z-250718T1030Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Rapid City SD 324 AM MDT Fri Jul 18 2025 The National Weather Service in Rapid City has issued a * Severe Thunderstorm Warning for... West central Haakon County in west central South Dakota... Southwestern Ziebach County in west central South Dakota... Northeastern Meade County in west central South Dakota... Northeastern Pennington County in west central South Dakota... * Until 430 AM MDT. * At 324 AM MDT, severe thunderstorms were located along a line extending from Opal to 3 miles south of Enning, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. * Locations impacted include... Dupree, Faith, Plainview, Enning, Opal, Marcus, Bridger, Howes, White Owl, Red Scaffold, Red Owl, Red Elm, Takini, Intersection of Cherry Creek and Sunnybrook Roads, and Durkee Lake. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4500 10150 4499 10147 4433 10180 4447 10266 4495 10253 4512 10149 TIME...MOT...LOC 0924Z 261DEG 38KT 4489 10245 4453 10256 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  835 WWUS53 KUNR 180940 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 340 AM MDT Fri Jul 18 2025 SDC055-093-103-137-181030- /O.CON.KUNR.SV.W.0220.000000T0000Z-250718T1030Z/ Haakon SD-Ziebach SD-Meade SD-Pennington SD- 340 AM MDT Fri Jul 18 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM MDT FOR WEST CENTRAL HAAKON...SOUTHWESTERN ZIEBACH...NORTHEASTERN MEADE AND NORTHEASTERN PENNINGTON COUNTIES... At 340 AM MDT, severe thunderstorms were located along a line extending from 10 miles southwest of Durkee Lake to 4 miles southeast of White Owl, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Dupree, Faith, Plainview, Marcus, Bridger, Howes, White Owl, Red Scaffold, Red Elm, Takini, Durkee Lake, and Intersection of Cherry Creek and Sunnybrook Roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4500 10150 4499 10147 4433 10180 4444 10249 4480 10250 4499 10227 4512 10149 TIME...MOT...LOC 0940Z 261DEG 38KT 4491 10224 4455 10235 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson  777 FZUS76 KLOX 180945 MWSLOX Marine Weather Statement National Weather Service Los Angeles/Oxnard CA 245 AM PDT Fri Jul 18 2025 PZZ655-181800- Inner waters from Point Mugu to San Mateo Pt. CA including Santa Catalina and Anacapa Islands- 245 AM PDT Fri Jul 18 2025 ...ISOLATED THUNDERSTORMS POSSIBLE THIS MORNING... A moist and unstable air mass spreading into the area this morning will bring the potential for isolated thunderstorms to the coastal waters. Any thunderstorm that forms will be capable of producing locally gale force winds and rough seas, dangerous lightning, and brief heavy rainfall with reduced visibility. $$ Hall  203 WWUS53 KUNR 180952 SVSUNR Severe Weather Statement National Weather Service Rapid City SD 352 AM MDT Fri Jul 18 2025 SDC055-093-103-137-181030- /O.CON.KUNR.SV.W.0220.000000T0000Z-250718T1030Z/ Haakon SD-Ziebach SD-Meade SD-Pennington SD- 352 AM MDT Fri Jul 18 2025 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 AM MDT FOR WEST CENTRAL HAAKON...SOUTHWESTERN ZIEBACH...EAST CENTRAL MEADE AND NORTHEASTERN PENNINGTON COUNTIES... At 352 AM MDT, severe thunderstorms were located along a line extending from 10 miles west of Red Scaffold to 10 miles south of Plainview, moving east at 45 mph. HAZARD...60 mph wind gusts and quarter size hail. SOURCE...Radar indicated. IMPACT...Hail damage to vehicles is expected. Expect wind damage to roofs, siding, and trees. Locations impacted include... Plainview, Marcus, Bridger, Howes, Red Scaffold, Takini, and Intersection of Cherry Creek and Sunnybrook Roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4443 10240 4474 10230 4489 10219 4491 10151 4433 10180 TIME...MOT...LOC 0952Z 271DEG 38KT 4481 10206 4445 10217 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...1.00 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Helgeson